2:13 बजे घंटे-मिनट और मिनट-हाथ के बीच तीव्र कोण क्या होगा?

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RRB ALP Previous Paper 14 (Held On: 20 Aug 2018 Shift 3)
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  1. 16.5 °
  2. 18 °
  3. 13.5 °
  4. 11.5 °

Answer (Detailed Solution Below)

Option 4 : 11.5 °
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Detailed Solution

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प्रयुक्त सूत्र:

Θ = | घंटे × 30◦ - \( {11 \ \over2}\) × मिनट |

गणना:

Θ = | 2 × 30◦ \( {11 \ \over2}\) × 13 |

Θ = | 60◦ \( {143 \ \over2}\)|

Θ = | 60◦ - 71.5 |

Θ = | - 11.5 |

Θ = 11.5 

अतः, दोपहर 2:13 बजे घंटे और मिनट की सुई के बीच "11.5न्यून कोण होगा। 

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